Daily life increasingly depends on systems of satellites orbiting Earth. As fleets proliferate, ever greater numbers of expired units will hurtle back toward the surface. Decommissioned satellites ...

Hot air holds more moisture. That’s why you can blow your hair dry even after a steamy shower. It’s also what dumps rain in the tropics and sucks water from desert soils. A new study, published in ...

Unlike Earth’s life-sustaining blanket of air, the Moon has but a thin wisp of an atmosphere. Now, a new study using samples retrieved by the Apollo missions more than 50 years ago is helping ...

Between 30 and 60 miles above Earth’s surface lies a largely unstudied stretch of the atmosphere. It’s too high for airplanes and weather balloons, too low for satellites and nearly impossible to ...

A strange “forbidden” planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere ...

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BOSTON - If you're wondering why it smelled like smoke from northeastern Massachusetts all the way down to the Boston area Monday, it was the brush fires in Salem and something known as an "inversion.

Mars' missing atmosphere may be locked up in the planet's clay-rich surface, a new study by MIT geologists has suggested. According to the researchers, ancient water trickling through Mars' rocks ...

Venus Express has studied the true extent of Venus’s restless atmosphere. This includes the planet’s glow, its highly variable south polar vortex and the dynamic upper atmosphere, different from what ...